Electricity: battery or capacitor charging or discharging – Capacitor charging or discharging
Reexamination Certificate
2005-05-17
2005-05-17
Tso, Edward H. (Department: 2838)
Electricity: battery or capacitor charging or discharging
Capacitor charging or discharging
C310S311000
Reexamination Certificate
active
06894460
ABSTRACT:
A circuit passively discharges energy from a piezoelectric device and stores the energy in a power storage element. The circuit has two parallel flow paths each including a diode set and an inductor electrically connected to opposite sides of a piezoelectric device. A power storage element is connected to both inductors. The diode sets are alternately forward biased, and energy from the piezoelectric device discharges through the inductor(s). A portion of the energy is stored in the inductor(s) and the remaining portion is stored in the power storage element. The benefits achieved include passive switching between the parallel circuit paths through diodes in place of traditional switches, and the additional energy stored by the inductors which is also transferred to the power storage element. Passive switching conserves additional energy.
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The Boeing Company
Tso Edward H.
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